57245539 has 6 divisors (see below), whose sum is σ = 61987956. Its totient is φ = 52841880.

The previous prime is 57245521. The next prime is 57245543. The reversal of 57245539 is 93554275.

It is not a de Polignac number, because 57245539 - 2¹³ = 57237347 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57245569) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 169197 + ... + 169534.

It is an arithmetic number, because the mean of its divisors is an integer number (10331326).

Almost surely, 2^57245539 is an apocalyptic number.

57245539 is a deficient number, since it is larger than the sum of its proper divisors (4742417).

57245539 is a wasteful number, since it uses less digits than its factorization.

57245539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 338757 (or 338744 counting only the distinct ones).

The product of its digits is 189000, while the sum is 40.

The square root of 57245539 is about 7566.0781782903. The cubic root of 57245539 is about 385.4019280357.

The spelling of 57245539 in words is "fifty-seven million, two hundred forty-five thousand, five hundred thirty-nine".